Antonyms of adv thoughtfully

2 senses of thoughtfully

Sense 1
thoughtfully -- (in a thoughtful manner; "he stared thoughtfully out the window")
       Antonym of thoughtlessly (Sense 1)
      => thoughtlessly, unthinkingly, unthinking -- (in a thoughtless manner; "he stared thoughtlessly at the picture")

Sense 2
thoughtfully -- (showing consideration and thoughtfulness; "he had thoughtfully brought with him some food to share")
       Antonym of thoughtlessly (Sense 2)
      => thoughtlessly -- (showing thoughtlessness; "he treated his parents thoughtlessly")

Synonyms of adv thoughtfully

2 senses of thoughtfully

Sense 1
thoughtfully -- (in a thoughtful manner; "he stared thoughtfully out the window")

Sense 2
thoughtfully -- (showing consideration and thoughtfulness; "he had thoughtfully brought with him some food to share")